Paper-folding machine



(N0 Modl.) 2 Sheets-Sheet 1.

0. K'AHLERQ PAPER FOLDING MAGHINB;

N0.Z94,473. Patented Mar. 4,1884.

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(No Model.) 2 SheetsSheet 2.

0. KAHLER.

. PAPER FOLDING MACHINE. I M). 294,473. Patented Mar. 4,1884.

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N. PETERS. Prmo-m mz w m wan-pm. at;

UNITED I STATES P TENT OFF CE,

ooNRA KA-I ILER, or CHICAGO, ILLINOIS.

PAPER-FOLDING MACHINE.

sncrrrca'rroiv forming part cf Letters lf'atent No. 294,473, dated March4, 1884.

. Application filed April16,1883. (No model.) a

T0 aZZ whom it may concern:

Be it known that I, CONRAD KAHLER, residing at Chicago, in the county ofCook and State of Illinois, and a vcitizen of the United States, haveinvented new and useful Im provements in Paper-Folding Machines, ofwhich the following is a full description, reference being had to theaccompanying drawings, in which- Figure l is a top or plan view; Fig. 2,a longitudinalvertical section on liner of Fig. 1.

. The object of this invention is to improve the construction andoperation of the printing-press folder described in the applicationfiled by me in November, 1882, in stopping or detaining the advancesheet by catching and holding it at the rear edge, instead of stoppingit by the leading edge, as shown in my previous application.

To such end the invention consists in the combination and arrangement ofdevices hereinafterset forth and claimed.

In the drawings, A indicates the frame-work; A, extended posts orbrackets for supporting .one of the return-rollers for the upper tapes;

or lever by which the'shaft g is rocked; :3, rod

connecting the arm h with the leverl; j, spring;

is, stop for the spring; I, pivoted lever operated by the cam-wheel F;m, friction-roller of the lever Z, that presses against the periphery orrim of the cam-wheel F; n, pivoted lever operating on the side of thecam-wheel F opposite to'the lever Z,- o, connecting-rod; spring; q,roller or rod for supporting the tapes; I, a bent or V lever; s,starting-roller;

t, pivot-lever operated by the cam-wheel E;

a, connecting-rod; 1;, spring; 10, arm or lever for rocking the shaftc.

' sides for giving these levers their proper moveinents.

This folder is designed to 'be connected vwith a web-printing press, andit will be understood that the tapes a b are to be properly extended andsupported for taking the printed sheets as they come from the press, orfrom the cutting-rollersthereof; and it will also be understood thatthis folder may be arranged close to the tail of the press or at somedistance from it, as the exigencies of its location or'that of the pressmay require.

The dividing-fingers d are firmly attached to the rock-shaft c, andtheir ends are arranged The frame A A is usually made of iron, and v tooperate near the rollers G, so as to divide and direct the advancingsheets alternately over and under the roller 6 and the plate or bar f.The roller ekeeps the upper tapes elevated from the lower, and aidsthese tapes in carrying the sheets over the plate f, and as it does notquite touch the lower tapes, it does not interfere with or retard thesheets passing under it.

The rock-shaft g is provided with fingers g,

which are made to fit against the plate f, to

hold the rear edge of the advance sheet until the following sheet hascaught up with it, and at this point to release the detained sheet andallow the two to move on together. The shaft is rocked by the arm h androd 3, connecting it with the lever Z. The spring j is arranged withreference to the stop k, to hold the fin gers 9 down while they aremoved away by the action of the lever l and wheel F. This arrangementofcourse can readily be reversed, or so arranged that the lever l willhold themdown and the spring move them away or open them.

In order to prevent the tapes from getting out of position, or gettingdown so as to let the sheets come in contact with the folding rollers B,I have placed beneath them a cross rod or roller. g, which holds them upand in position. Near this supporting-roller is the starting-roller s,which has its bearing in a V shaped lever, 1'. This starting-rollerobtains its motion from the tapes, and is so pivoted and operated that aportion of the time it is out of contact with the tapes, it beinglowered by the wheel F acting on the lever n, and raised by thespring 1) acting upon the rod 0. This operation is so timed that theroller 8 is out of contact with the tapes until the second sheet hascaught up with the first, when it is lowered and the fingers raised, andsufficient tapepressure is thereby given to put the sheet under motion.As shown, the divider is operated from the opposite side of the macnne.the rod to a movement in one direction, while the spring 1) moves it inthe opposite direction, the rod a being connected with the arm w, asshown in Fig. 2. This arrangement has been found by actual operation tobe very efficient in cumulating two sheets preparatory to presentingthem to the folder. \Vhere more than two sheets are to be cnmulated, thearrangement shown in my previous application will be adopted, as thearrangement here shown is not adapted to cumulate more than two sheets.

In reference to Fig. 1 it will be observed that the upper or returnportion of the tapes a and the roller K. are not shown.

Power to operate the described device may be applied to either end ofthe shaft L, and it is to be taken from the machinery used to drive thefolding-rollers, or from the machinery of the printing-press, bysuitably c011- necting them with shafts and gearing in any well known orsuitable manner.

The wheel E and pivoted lever t gii e hat I claim as new, and desire tosecure by Letters Patent, is as follows:

1. The combination of the tapes a and b, means, substantially asdescribed, for dividing two sheets advancing between the tapes, a plate,f, arranged between the tapes, and vibrating fingers 9, arranged abovethe plate to catch the rear edge of the upper sheet and detain it untilthe under sheet passes thereunder, as and for the purpose set forth.

2. The combination of the divider c d, roller 0, plate f, and detaining-fingers g with the tapes a b and roller s,'substa-ntial1y as and forthe purpose described.

3. The combination, with tapes a and b, of means, substantially asdescribed, for dividing two sheets entering between the tapes, theplatef, arranged between the tapes, vibrating fingers 5 arranged abovethe plate for catching the rear edge of one sheet and detaining it untilthe succeeding sheet passes under it, the rook-shaft g, to which thefingers are attached, the arm h on the shaft, the rod i, the spring j,the lever Z, and cam-disk F, essentially as and for the purpose setforth.

4. The combination, with the tapes a and b and divider c d, of theroller 0, plate f, detainingfingers g, rock-shaft g, arm h, rod 6,spring j, lover I, and cam-wheel F, arranged for operation substantiallyas and for the purposes described.

5. The combination of the divider 0 L1, roller 0, plate f,detaining-fingers g, and roller s with the tapes (1- b andfolding-rollers 13, substantially as and for the purpose specified.

6. The combination of the divider c d and roller 0 with the tapes a 1),plate f, and the detaining-fingers 9 substantially as described.

CONRAD KAHLER.

\Vitnesses:

B. A. PRICE, ALBERT H. ADAMS.

